https://www.cnbc.com/2018/04/04/how-to-delete-everything-facebook-knows-about-you.html >CNBC recently explained how to download everything Facebook knows about you. But what if you want to delete everything it knows about you? >If you follow these steps you will no longer have a Facebook account. Conversely, you can also "deactivate" your account if you want to step away for a temporary amount of time and still have access to all of your history when you come back.